12636580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 29393280

約数和(自身を除く): 16756700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 809, 1420, 1562, 1618, 3124, 3236, 3905, 4045, 7810, 8090, 8899, 15620, 16180, 17798, 35596, 44495, 57439, 88990, 114878, 177980, 229756, 287195, 574390, 631829, 1148780, 1263658, 2527316, 3159145, 6318290, 12636580]

約数ペア:

[(1, 12636580), (2, 6318290), (4, 3159145), (5, 2527316), (10, 1263658), (11, 1148780), (20, 631829), (22, 574390), (44, 287195), (55, 229756), (71, 177980), (110, 114878), (142, 88990), (220, 57439), (284, 44495), (355, 35596), (710, 17798), (781, 16180), (809, 15620), (1420, 8899), (1562, 8090), (1618, 7810), (3124, 4045), (3236, 3905)]